Selective isolation of nitrogen bases from petroleum

A method has been designed for the rapid separation of nitrogen bases from petroleum by trapping their quaternary ammonium salts on hydrochloric acid treated silica. A chromatographic column filled with this adsorbent and equipped with a solvent recycling system allows a selective and quantitative e...

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Veröffentlicht in:	Anal. Chem.; (United States) 1983-09, Vol.55 (11), p.1685-1688
Hauptverfasser:	Schmitter, Jean Marie, Ignatiadis, Ioannis, Arpino, Patrick, Guiochon, Georges
Format:	Artikel
Sprache:	eng
Schlagworte:	02 PETROLEUM 023000 - Petroleum- Properties & Composition 400105 - Separation Procedures ALCOHOLS Applied sciences AROMATICS AZAARENES BENCH-SCALE EXPERIMENTS CHALCOGENIDES CHEMICAL ANALYSIS CHROMATOGRAPHY Constitution and properties of crude oils, shale oils, natural gas and bitumens. Analysis and characteristics Crude oil, natural gas and petroleum products Energy ENERGY SOURCES Exact sciences and technology EXTRACTION EXTRACTION CHROMATOGRAPHY FOSSIL FUELS FUELS GAS CHROMATOGRAPHY GAS OILS HETEROCYCLIC COMPOUNDS HYDROXY COMPOUNDS INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY METHANOL METHYLENE CHLORIDE MINERALS ORGANIC CHLORINE COMPOUNDS ORGANIC COMPOUNDS ORGANIC HALOGEN COMPOUNDS ORGANIC NITROGEN COMPOUNDS OXIDE MINERALS OXIDES OXYGEN COMPOUNDS PETROLEUM PETROLEUM FRACTIONS PETROLEUM PRODUCTS RECYCLING REMOVAL SEPARATION PROCESSES SILICA SILICON COMPOUNDS SILICON OXIDES
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Beschreibung
Zusammenfassung:	A method has been designed for the rapid separation of nitrogen bases from petroleum by trapping their quaternary ammonium salts on hydrochloric acid treated silica. A chromatographic column filled with this adsorbent and equipped with a solvent recycling system allows a selective and quantitative extraction of basic compounds from large amounts (>100 g) of crude oil. The procedure has been tested with reference compounds, a coker gas-oil, and a heavy biodegraded crude and applied to 15 different oil samples. 22 references, 3 figures, 4 tables.
ISSN:	0003-2700 1520-6882
DOI:	10.1021/ac00261a011